50055 ÷ 4 = 12513 R3
We're going to perform division on 50055 with 4 as the divisor.

Step 1:
4 goes into 5 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 4 from 5 to get 1.
Bring next digit (0) of the dividend behind the 1 and repeat the process: 10 / 4

Step 2:
4 goes into 10 2 times with a remainder of 2.
Write down 2 as next digit of of the result. 
Result so far: 12
Subtract 8 from 10 to get 2.
Bring next digit (0) of the dividend behind the 2 and repeat the process: 20 / 4

Step 3:
4 goes into 20 5 times with a remainder of 0.
Write down 5 as next digit of of the result. 
Result so far: 125
Subtract 20 from 20 to get 0.
Bring next digit (5) of the dividend behind the 0 and repeat the process: 5 / 4

Step 4:
4 goes into 5 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 1251
Subtract 4 from 5 to get 1.
Bring next digit (5) of the dividend behind the 1 and repeat the process: 15 / 4

Step 5:
4 goes into 15 3 times with a remainder of 3.
Write down 3 as next digit of of the result. 
Result so far: 12513
Subtract 12 from 15 to get 3.

The final result is 12513 with a remainder of 3.